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All results from a given calculation for HOCH2COOH (Hydroxyacetic acid)

using model chemistry: B3PW91/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at B3PW91/6-31G(2df,p)
 hartrees
Energy at 0K-304.205682
Energy at 298.15K-304.211380
HF Energy-304.205682
Nuclear repulsion energy180.608891
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B3PW91/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3781 3635 65.82      
2 A' 3743 3599 79.05      
3 A' 3006 2890 30.65      
4 A' 1845 1774 259.09      
5 A' 1493 1435 4.87      
6 A' 1477 1420 16.76      
7 A' 1377 1324 154.47      
8 A' 1301 1251 16.53      
9 A' 1188 1142 109.09      
10 A' 1143 1099 226.35      
11 A' 868 835 40.34      
12 A' 654 629 17.19      
13 A' 474 456 26.67      
14 A' 286 275 9.40      
15 A" 3032 2915 21.31      
16 A" 1243 1195 0.23      
17 A" 1037 997 1.54      
18 A" 668 643 117.13      
19 A" 511 491 4.69      
20 A" 361 347 69.62      
21 A" 100 96 6.56      

Unscaled Zero Point Vibrational Energy (zpe) 14794.3 cm-1
Scaled (by 0.9614) Zero Point Vibrational Energy (zpe) 14223.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B3PW91/6-31G(2df,p)
ABC
0.36002 0.13678 0.10099

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.603 -0.864 0.000
C2 0.000 0.520 0.000
O3 -0.918 1.493 0.000
O4 1.191 0.714 0.000
O5 0.395 -1.835 0.000
H6 -1.256 -0.952 0.882
H7 -1.256 -0.952 -0.882
H8 1.229 -1.345 0.000
H9 -0.436 2.332 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.51032.37842.38991.39281.10081.10081.89473.2006
C21.51031.33801.20662.38842.12722.12722.23361.8634
O32.37841.33802.24853.57832.62162.62163.55890.9678
O42.38991.20662.24852.67103.08953.08952.05932.2940
O51.39282.38843.57832.67102.06992.06990.96794.2493
H61.10082.12722.62163.08952.06991.76392.66653.4984
H71.10082.12722.62163.08952.06991.76392.66653.4984
H81.89472.23363.55892.05930.96792.66652.66654.0361
H93.20061.86340.96782.29404.24933.49843.49844.0361

picture of Hydroxyacetic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 113.099 C1 C2 O4 122.813
C1 O5 H8 105.338 C2 C1 O5 110.649
C2 C1 H6 108.084 C2 C1 H7 108.084
C2 O3 H9 106.733 O3 C2 O4 124.088
O5 C1 H6 111.673 O5 C1 H7 111.673
H6 C1 H7 106.485
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.162      
2 C 0.415      
3 O -0.386      
4 O -0.370      
5 O -0.445      
6 H 0.153      
7 H 0.153      
8 H 0.316      
9 H 0.326      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.216 1.963 0.000 2.310
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -29.744 -0.335 0.000
y -0.335 -27.787 0.000
z 0.000 0.000 -27.629
Traceless
 xyz
x -2.036 -0.335 0.000
y -0.335 0.899 0.000
z 0.000 0.000 1.137
Polar
3z2-r22.274
x2-y2-1.957
xy-0.335
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.320 -0.095 0.000
y -0.095 5.480 0.000
z 0.000 0.000 3.430


<r2> (average value of r2) Å2
<r2> 109.702
(<r2>)1/2 10.474